A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?

Count the squares in the matchstick puzzle below?

Prove that twice of ten is the same as twice of eleven.

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?

Chhote se Chintu Miyan,
Lambi si Pooch.
Jahan Jaye Chintu Miyan,
Wahan Jaye Pooch.

छोटे से चींटू मियाँ,
लंबी सी पूंछ।
जहाँ जाये चींटू मियाँ,
वहाँ जाये पूंछ।

Bolo kya?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

Why do Chinese men eat more rice than Japanese men do ?